The Genie 75121GT is a genuine OEM Coolant Retention System Cap 60721GT built for Genie S-series telescopic boom lifts and ZX-series articulating boom lifts, including the S-100HD, S-120HD, S-125, S-105, and ZX-135/70. As a direct OEM replacement, this cap is manufactured to the exact specifications of the original component, ensuring a correct fit on coolant retention system 60721GT without modification. Cross-reference part number 75121GT against your machine's parts manual to confirm this is the correct cap for your unit before ordering.
Key Features
- Genuine OEM Construction — Manufactured to Genie's original material and dimensional specifications for coolant retention system 60721GT, with no guesswork on fitment or compatibility.
- Direct Replacement for System 60721GT — Designed to seat and seal correctly on coolant retention system 60721GT, restoring the system to its original operating condition.
- Broad S and ZX Boom Compatibility — Fits Genie S-series telescopic booms and the ZX-135/70 articulating boom, covering a wide range of high-reach Genie equipment.
- System Integrity — A correctly seated cap keeps the coolant retention system closed and functioning as intended; a cracked, missing, or ill-fitting cap can allow coolant loss and lead to engine temperature issues.
- Operational Safety — Maintaining a sound coolant retention system is essential on boom lifts that operate in demanding conditions — using the correct OEM cap helps ensure the system performs as designed.
The cap on a coolant retention system seals the reservoir and maintains the closed pressure environment that keeps coolant circulating correctly through the engine. When this cap is damaged, missing, or fails to seat properly, coolant can escape, the system loses its ability to regulate temperature, and the risk of engine overheating increases. Replacing the cap with the correct OEM part — in this case the Genie 75121GT for coolant retention system 60721GT — restores the seal and protects the engine from coolant-related failures during machine operation.
Part Details
| Part Number | 75121GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Coolant Retention System Cap 60721GT |
Compatibility & Fitment
| Name | Model |
|---|---|
| S-100HD | S-100HD |
| S-120HD | S-120HD |
| S-3800 | S-3800 |
| S-3200 | S-3200 |
| S-120 | S-120 |
| S-125 | S-125 |
| S-100 | S-100 |
| S-105 | S-105 |
| ZX-135/70 | ZX-135/70 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
